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Vol. 31 No. 2 (2019): Vol. 31 No. 2

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Chemical Constituents of Exoecaria agallocha Linn.

https://doi.org/10.14233/ajchem.2019.21711
Judy Perez
Department of Chemistry, De La Salle University, 2401 Taft Avenue, Manila 1004, Philippines; Natural Science Department, College of Science and Engineering, Ateneo de Naga University, Ateneo Avenue, Bagumbayan Sur, Naga, Camarines Sur, Philippines
Chien-Chang Shen
National Research Institute of Chinese Medicine, Ministry of Health and Welfare, 155-1, Li-Nong St., Sec. 2, Taipei 112, Taiwan
Consolacion Y. Ragasa
Department of Chemistry, De La Salle University, 2401 Taft Avenue, Manila 1004, Philippines; Department of Chemistry, De La Salle University Science and Technology Complex Leandro V. Locsin Campus, Biñan City, Laguna 4024, Philippines

Corresponding Author(s) : Consolacion Y. Ragasa

consolacion.ragasa@dlsu.edu.ph

Asian Journal of Chemistry, Vol. 31 No. 2 (2019): Vol. 31 No. 2

Abstract

Chemical investigation of the dichloromethane extracts of the mangrove, Exoecaria agallocha Linn. has led to the isolation of alkyl ferulates (1), lupeol (2), a mixture of 3-epi-α-amyrin (3) and 3-epi-β- amyrin (4) in about 2:3 ratio, and agallochaol K (5) from the bark; taraxerol (6), epi-taraxerol (7) and chlorophyll a from the leaves; and a mixture of compounds 3 and 4 in about 1:2 ratio, squalene, olean-12-en-3-one (8) and fully epoxidized linoleic acid from the twigs. The structures of compounds 5 and 7 were elucidated by extensive 1D and 2D NMR spectroscopy and confirmed by comparison of their NMR data with those reported in the literature. The structures of the other compounds were identified by comparison of their NMR data with literature data.

Keywords

Exoecaria agallocha Linn. Euphorbiaceae Alkyl ferulates lupeol Amyrin Agallochaol K Taraxerol epi-Taraxerol
Perez, J., Shen, C.-C., & Ragasa, C. Y. (2018). Chemical Constituents of Exoecaria agallocha Linn. Asian Journal of Chemistry, 31(2), 460–462. https://doi.org/10.14233/ajchem.2019.21711
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